Re: Role for different human language?

On 2020-02-22, Matěj Cepl wrote:
> I am looking for some markup which say that the phrase in the 
> text is of different human language. E.g., I have this paragraph 
> (written in otherwise English story):

>     In the end both options happened. Uncle Harry in secret 
>     asked the French Bureau des Aurors to sent somebody to start 
>     the investigation, and so I spent two afternoons in small 
>     café near my University with the French lady, who asked me 
>     very thoroughly about my story.

> Now, I would like to mark the term “Bureau des Aurors” so that 
> screen reader or other software know that it is not English and 
> behave accordingly. Is there a standard way how to do it? Yes, 
> I understand I can define my own custom role for it (translating 
> to ``<span lang="fr_FR">``), but isn’t there a standard role?

There is a method for defining the language of text parts: The HTML and
LaTeX writers convert a "class" argument starting with ``language-`` in a
language argument with the remainder, e.g.
::

  .. role:: language-de

  Let's count in German :language-de:`eins zwei drei`.

becomes in HTML::

  Let's count in German <span lang="de">eins zwei drei</span>.

and in LaTeX::

  Let’s count in German \foreignlanguage{ngerman}{eins zwei drei}.
  

For block-level elements, you can use the ``.. class::`` directive or
the :class: directive option.

See:
https://sourceforge.net/p/docutils/code/HEAD/tree/trunk/docutils/test/functional/input/data/custom_roles.txt
https://sourceforge.net/p/docutils/code/HEAD/tree/trunk/docutils/test/functional/expected/standalone_rst_html5.html#l1221
https://sourceforge.net/p/docutils/code/HEAD/tree/trunk/docutils/test/functional/expected/standalone_rst_latex.tex#l1766

(Also, have a look for "Die Trichter" in these documents to see an example
to define a block's language.)

Hope this helps,

Günter



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